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Color circuit of displaying device

A color adjustment and display technology, applied in static indicators, cathode ray tube indicators, instruments, etc., can solve the problems of reducing the reliability of display products, difficult color adjustment, troublesome cost burden, etc., to improve product reliability, The effect of saving equipment investment costs and reducing trouble

Inactive Publication Date: 2005-05-11
NANJING LG TONGCHUANG COLOR DISPLAYS SYST CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0018] In addition, in order to adjust the color of the above-mentioned conventional display, it is necessary to have an external signal device, so there are problems of trouble and cost.
[0019] In addition, when adjusting the color of the display, it is difficult to perform correct color adjustment due to the influence of external signal equipment due to ambient noise (noise), thereby reducing the reliability of the above-mentioned adjusted display products.

Method used

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Embodiment Construction

[0034] For the structure of the present invention described above, for a more detailed description, refer to figure 2 .

[0035] According to the computer monitor of the present invention, it is made up of the following structures: the analog-to-digital converter ADC 220 that converts the inputted analog voltage into n-bit binary system digital values ​​defined per sampling unit; A memory (Memory) 230 of the value output by 220; a scaler (Scaler) 235 provided for compensating image quality with the above-mentioned memory 230; the above-mentioned analog-to-digital converter ADC 220 and the above-mentioned scaler 235 are connected with a communication line, and The microprocessor 240 that processes and controls its data; receives the input of the chip select signal (CS: Chip Select) of the above-mentioned microprocessor 240, acts when the control level is high (high), stops when the level is low (low), Simultaneously, the digital-to-analog converter DAC200 that converts the te...

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Abstract

A colour regulation circuit of display is composed of microprocessor for executing white and black level regulation, receiving test signal returning back to red, green and blue end as well as using output as ruled level test data of colour regulation, conversion part using D / A conversion to convert outputted test data to be analog signal and using A / D conversion to convert each test signal of red, green and blue to be digital signal; switching part for selection and storing part for storing data of the microprocessor and converted digit signal.

Description

technical field [0001] The present invention relates to a display color adjustment circuit, especially an invention relating to a display color adjustment circuit for performing color adjustment without an external signal device. Background technique [0002] Generally, a monitor is a core display device that visualizes the results of computer operations to the user. In recent years, the importance of the monitor has been increasing as emphasis has been placed on image elements such as multimedia programs and moving image processing. [0003] In the traditional technology, for the color adjustment of the computer monitor, an external signal device is utilized; therefore, for the color adjustment of the monitor, it is usually necessary to have another signal device. [0004] refer to figure 1 The composition of the traditional display color adjustment circuit is observed as follows. [0005] The external signal device 11 for color adjustment is connected to the display 10, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G5/00G09G5/04
Inventor 金明旭
Owner NANJING LG TONGCHUANG COLOR DISPLAYS SYST CO LTD
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